|"There are plenty of eye-witness accounts. Just because you're so narrow-minded you need to have everything shoved under your nose before you–"
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|"Are you a wizard or not?"
The title of this article is conjectural. Although it is based on canonical information, the actual name is a conjecture and may be supplanted at any time by additional information released from canonical sources. If this occurs, please move this page to the appropriate title.
Mr McLaggen was the father of Cormac McLaggen. On 1 September, 1997, when Death Eaters stopped the Hogwarts Express en route to Hogwarts School of Witchcraft and Wizardry and boarded it to search for Harry Potter, Cormac threatened them that his father would hear about their actions. Death Eaters, however, completely ignored Cormac and continued their search.
- Harry Potter and the Deathly Hallows: Part 1 (First mentioned)